Metal pile nail removing device

Abstract

The utility model aims at providing a metal pile nail removing device, and relates to the technical field of medical instruments, by adjusting inner rods at the two ends of a supporting column of an opening assembly, supporting plates abut against the upper teeth and the lower teeth of a patient, the oral cavity of the patient is opened, and metal pile nails are convenient to remove. A control panel is pressed downwards to rotate to drive a gear to rotate, a rack is controlled to slide back and forth in a clamp body, a clamping plate is driven to slide in the radial direction of a nail taking head, the two sides of an L-shaped clamping block make contact with the surface of a metal pile nail, rotation of the control panel is limited by limiting stretching of an arc-shaped telescopic plate, locking is achieved, and the situation that due to hand looseness, the metal pile nail falls off is avoided; the suction pump and the collection box are arranged in the pincer body, the liquid suction pipe is arranged on the inner wall of the nail taking head and communicated with the suction pump, body fluid on a metal pile nail is sucked into the collection box through the liquid suction pipe, and the problem of slipping caused by the influence of the body fluid when the metal pile nail is clamped is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a device for removing metal posts and pins. Background Art

[0002] Metal posts and pins are a common method for tooth restoration in oral rehabilitation, usually used for tooth restoration after endodontic treatment. In this treatment, dentists first remove the damaged tooth tissue, then place metal posts and pins in the root cavity to provide support and stability, and finally perform the restoration of the dental crown. When problems such as cracks, looseness, or fractures occur in the metal posts and pins, the metal posts and pins can no longer support the restored tooth, and the metal posts and pins need to be replaced.

[0003] Currently, when replacing metal posts and pins, the metal posts and pins are relatively smooth, and due to the body fluids in the oral cavity, the metal posts and pins are relatively slippery, making it easy to slip when clamping and removing the metal posts and pins; the existing devices for removing metal posts and pins require continuous manual clamping of the metal posts and pins, and if the hand is released, the metal posts and pins are likely to fall. Content of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides the following technical solutions:

[0005] A device for removing metal posts and pins includes a spreading component and a nail extraction forceps. The nail extraction forceps is movably connected to the spreading component through a ball head mechanism. The nail extraction forceps includes a forceps body and a control board. The front end of the forceps body is a circular nail extraction head. A number of clamping blocks are rotatably installed on the inner wall of the nail extraction head. A clamping plate is slidably arranged along the diameter direction of the nail extraction head. A number of clamping blocks are rotatably installed on the clamping plate. A rack is slidably arranged in the forceps body and is fixedly connected to the clamping plate. One end of the control board is connected to the rotating shaft of the forceps body, and a gear is fixedly installed on the rotating shaft and meshes with the rack in the forceps body. By pressing down and rotating the control board to drive the gear to rotate, the rack is controlled to slide back and forth in the forceps body, driving the clamping plate to slide along the radial direction of the nail extraction head. The other end of the control board is connected to the forceps body through an arc-shaped telescopic plate. One end of the arc-shaped telescopic plate is fixedly connected to the control board, and one end is fixedly connected to the forceps body. By setting bolts on the arc-shaped telescopic plate to limit the expansion and contraction of the arc-shaped telescopic plate, the rotation of the control board and the sliding of the clamping plate are restricted.

[0006] Further, the spreading component includes a support column and a support plate. The two ends of the support column are internally fixedly connected to the support plate through sliding inner rods, and bolts are arranged on the support column. By tightening the bolts, the sliding of the inner rods is restricted, thereby maintaining the distance between the two support plates.

[0007] Further, one end of the ball head mechanism is movably connected to the spreading component through a sleeve, and one end is fixedly connected to the forceps body.

[0008] Further, an attracting pump and a collecting box are arranged inside the pliers body, and a plurality of liquid suction tubes are arranged on the inner wall of the nail removing head, and the liquid suction tubes are communicated with the attracting pump.

[0009] Further, a groove is formed in the pliers body, and one end of the control board is rotatably installed in the groove.

[0010] Further, the clamping block is an L-shaped structure with an included angle, and the included angle is greater than 90 degrees.

[0011] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0012] 1. By adjusting the inner rods at both ends of the support column of the spreading assembly of the present utility model, the support plate is made to abut against the upper and lower teeth of the patient, so as to open the patient's oral cavity, which is convenient for removing the metal post nail. And the ball head mechanism is movably connected with the nail removing pliers, and the angle of the nail removing pliers can be flexibly adjusted at multiple angles;

[0013] 2. A clamping plate is slidably arranged in the nail removing head of the present utility model. A rack is slidably arranged inside the pliers body and fixedly connected with the clamping plate. A control board is rotatably installed on the pliers body, and a gear is arranged at the rotation connection part and meshes with the rack. A plurality of L-shaped clamping blocks are rotatably installed on the inner wall of the nail removing head and on the clamping plate. By pressing down and rotating the control board to drive the gear to rotate, the rack is controlled to slide back and forth inside the pliers body, driving the clamping plate to slide along the radial direction of the nail removing head, so that both sides of the L-shaped clamping block are in contact with the surface of the metal post nail, increasing the contact area. And by restricting the expansion and contraction of the arc-shaped expansion plate arranged between the control board and the pliers body to control the rotation of the control board, the sliding of the rack and the clamping plate is restricted, so as to achieve locking, avoiding the metal post nail from falling due to the loosening of the hand;

[0014] 3. An attracting pump and a collecting box are arranged inside the pliers body of the present utility model, and liquid suction tubes are arranged on the inner wall of the nail removing head and communicated with the attracting pump. By starting the attracting pump, the body fluid on the metal post nail is sucked into the collecting box through the liquid suction tubes, effectively solving the problem of slipping caused by the influence of the body fluid when clamping the metal post nail. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional structure schematic diagram of the present utility model;

[0016] Figure 2 is a structure schematic diagram of the nail removing pliers of the present utility model;

[0017] Figure 3 is a top view structure schematic diagram of the nail removing pliers of the present utility model;

[0018] Figure 4 is a structure schematic diagram of the nail removing head of the present utility model;

[0019] Figure 5The utility model is a schematic diagram of the internal structure of the nail removal forceps.

[0020] In the figure: support column -1, support plate -2, bolt -3, sleeve -4, ball head mechanism -5, nail removing pliers -6, pliers body -61, groove -611, nail removing head -612, control board -62, gear -621, arc-shaped telescopic plate -63, clamping block -64, clamping plate -65, pipette -66, collection box -67, suction pump -68, rack -69. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1:

[0023] See also Figures 1-5 A metal pile nail removal device includes a spreading component and a nail removal pliers, the nail removal pliers 6 are movably connected to the spreading component through a ball head mechanism 5, the nail removal pliers 6 include a clamp body 61 and a control plate 62, the front end of the clamp body 61 is a circular ring-shaped nail removal head 612, and the inner wall of the nail removal head 612 is rotatably installed with a plurality of clamping blocks 64, the clamping blocks 64 are L-shaped structures with an angle, and the angle is greater than 90 degrees, the nail removal head 612 is slidably provided with a clamping plate 65 along its diameter direction, and a plurality of clamping blocks 64 are rotatably installed on the clamping plate 65, a rack 69 is slidably provided in the clamp body 61 and fixedly connected with the clamping plate 65, the One end of the control plate 62 is connected to the rotating shaft of the clamp body 61, and a gear 621 is fixedly installed on the rotating shaft to mesh with the rack 69 in the clamp body 61. The gear 621 is driven to rotate by pressing down and rotating the control plate 62, and the rack 69 is controlled to slide back and forth in the clamp body 61, driving the clamping plate 65 to slide along the radial direction of the nail head 612. The other end of the control plate 62 is connected to the clamp body 61 through an arc-shaped telescopic plate 63, one end of the arc-shaped telescopic plate 63 is fixedly connected to the control plate 62, and the other end is fixedly connected to the clamp body 61. Bolts 3 are set on the arc-shaped telescopic plate 63 to limit the telescopic movement of the arc-shaped telescopic plate 63, thereby limiting the rotation of the control plate 62.

[0024] In this embodiment, a clamping plate 65 is slidably arranged inside the nail extractor head 612. A rack 69 is slidably arranged inside the pliers body 61 and fixedly connected to the clamping plate 65. A control plate 62 is rotatably installed on the pliers body 61. A gear 621 is arranged at the rotation connection thereof and meshes with the rack 69. A number of L-shaped clamping blocks 64 are rotatably installed on the inner wall of the nail extractor head 612 and the clamping plate 65. By pressing down and rotating the control plate 62 to drive the gear 621 to rotate, the rack 621 is controlled to slide back and forth inside the pliers body 61, driving the clamping plate 65 to slide radially along the nail extractor head 612, so that both sides of the L-shaped clamping block 64 are in contact with the surface of the metal stud, increasing the contact area. And by restricting the rotation of the control plate 62 through the expansion and contraction control of the arc-shaped expansion plate 63 arranged between the control plate 62 and the pliers body 61, the sliding of the rack 69 and the clamping plate 65 is restricted, realizing locking, and avoiding the metal stud from falling due to the loosening of the hand.

[0025] Embodiment 2:

[0026] Please refer to Figures 1-5 , according to Embodiment 1, the nail extractor 6 is movably connected to the spreading assembly through a ball head mechanism 5. The spreading assembly includes a support column 1 and a support plate 2. The two ends of the support column 1 are internally fixedly connected to the support plate 2 through slidably arranged inner rods. A bolt 3 is arranged on the support column 1. By tightening the bolt 3, the sliding of the inner rod is restricted, so as to maintain the distance between the two support plates 2. One end of the ball head mechanism 5 is movably connected to the support column 1 through a sleeve 4, and one end is fixedly connected to the pliers body 61;

[0027] In this embodiment, by adjusting the inner rods at both ends of the support column 1 of the spreading assembly, the support plates 2 are made to abut against the upper and lower teeth of the patient, so as to open the patient's oral cavity, which is convenient for removing the metal stud. And through the movable connection of the ball head mechanism 5 and the nail extractor 6, the angle of the nail extractor 6 can be flexibly adjusted at multiple angles.

[0028] Embodiment 3:

[0029] Please refer to Figures 1-5 , according to Embodiment 1, an attracting pump 68 and a collecting box 67 are arranged inside the pliers body 61. A number of liquid suction pipes 66 are arranged on the inner wall of the nail extractor head 612. The liquid suction pipes 66 are communicated with the attracting pump 68. An attracting pump 68 and a collecting box 67 are arranged inside the pliers body 61, and liquid suction pipes 66 are arranged on the inner wall of the nail extractor head 612 and communicated with the attracting pump 68. By starting the attracting pump 68, the body fluid on the metal stud is sucked into the collecting box 67 through the liquid suction pipes 66, effectively solving the problem of slipping caused by the influence of the body fluid when clamping the metal stud.

[0030] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present utility model, so that those skilled in the relevant technical field can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A metal pile nail removal device, comprising a spreading assembly and a nail removal pliers, characterized in that: The nail removing pliers are movably connected to the spreading assembly through a ball head mechanism, and the nail removing pliers include a pliers body and a control plate, the front end of the pliers body is a ring-shaped nail removing head, and a plurality of clamping blocks are rotatably installed on the inner wall of the nail removing head, and a clamping plate is slidably arranged in the nail removing head along its diameter direction, and a plurality of clamping blocks are rotatably installed on the clamping plate, and a rack is slidably arranged in the pliers body and fixedly connected with the clamping plate, and one end of the control plate is connected with the pliers body to rotate, and a gear is fixedly installed on the rotating shaft to mesh with the rack in the pliers body, and the gear is driven to rotate by pressing down and rotating the control plate, and the control rack is controlled to slide back and forth in the pliers body, driving the clamping plate to slide along the radial direction of the nail removing head, and the other end of the control plate is connected with the pliers body through an arc telescopic plate, one end of the arc telescopic plate is fixedly connected to the control plate, and the other end is fixedly connected to the pliers body, and the extension and contraction of the arc telescopic plate is limited by arranging a bolt on the arc telescopic plate, thereby limiting the rotation of the control plate and the sliding of the clamping plate.

2. A metal pile removal device according to claim 1, characterized in that: The support assembly includes a support column and a support plate. The two ends of the support column are fixedly connected to the support plate by slidingly setting inner rods, and bolts are set on the support column. By tightening the bolts, the sliding of the inner rods is limited, thereby maintaining the distance between the two support plates.

3. A metal pile removal device according to claim 1, characterized in that: One end of the ball head mechanism is movably connected to the expansion assembly through a sleeve, and the other end is fixedly connected to the clamp body.

4. A metal pile removal device according to claim 1, characterized in that: A suction pump and a collection box are arranged in the clamp body, and a plurality of liquid suction tubes are arranged on the inner wall of the nail head removal device, and the liquid suction tubes are communicated with the suction pump.

5. A metal pile removal device according to claim 1, characterized in that: A groove is arranged on the clamp body, and one end of the control plate is rotatably installed in the groove.

6. A metal pile removal device according to claim 1, characterized in that: The clamping block is an L-shaped structure with an included angle, and the included angle is greater than 90 degrees.

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